算法8--十进制转二进制

#include <stdio.h>
#include <string.h>
#include <conio.h>

void convto(char *s,int n,int b){
    char bit[]={"0123456789ABCDEF"};
    int len;
    if(n==0){
        strcpy(s,"");
        return ;
    }
    convto(s,n/b,b);
    len = strlen(s);
    s[len] = bit[n%b];
    s[len+1] = '\0';
}
void main(void)
{
    char s[80];
    int i,base,old;
    printf("请输入十进制数字:\n");
    scanf("%d",&old);
    printf("请输入转换的进制:\n");
    scanf("%d",&base);
    convto(s,old,base);
    printf("%s\n",s);
    getch();
    return;
    
}